Base | Representation |
---|---|
bin | 111101000100111101… |
… | …0010001101011101000 |
3 | 110112112221220022000201 |
4 | 1322021322101223220 |
5 | 4122110132233443 |
6 | 140131053241544 |
7 | 12322223120512 |
oct | 1721172215350 |
9 | 415487808021 |
10 | 131162774248 |
11 | 50697a6a690 |
12 | 215061932b4 |
13 | c4a3a6412c |
14 | 64c3aa8bb2 |
15 | 3629e9934d |
hex | 1e89e91ae8 |
131162774248 has 32 divisors (see below), whose sum is σ = 268337201760. Its totient is φ = 59608396480.
The previous prime is 131162774221. The next prime is 131162774251. The reversal of 131162774248 is 842477261131.
It is a junction number, because it is equal to n+sod(n) for n = 131162774198 and 131162774207.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349290 + ... + 619942.
It is an arithmetic number, because the mean of its divisors is an integer number (8385537555).
Almost surely, 2131162774248 is an apocalyptic number.
It is an amenable number.
131162774248 is an abundant number, since it is smaller than the sum of its proper divisors (137174427512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131162774248 is a wasteful number, since it uses less digits than its factorization.
131162774248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 276177 (or 276173 counting only the distinct ones).
The product of its digits is 451584, while the sum is 46.
The spelling of 131162774248 in words is "one hundred thirty-one billion, one hundred sixty-two million, seven hundred seventy-four thousand, two hundred forty-eight".
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